Maths Olympiad Prep

Library /Auswahlwettbewerb zur Internationalen Mathematik-Olympiade

Auswahlwettbewerb zur Internationalen Mathematik-Olympiade

20 problems here, rated 7.4 to 9 on our scale (National Olympiad, round 2 to IMO level). 20 of them ask for a proof.

Algebra 6Combinatorics 3Geometry 8Number theory 3
#TopicDiffTypeYear
1 Number theory 7.4 proof — open
2 Algebra 7.5 proof — open
3 Combinatorics 7.7 proof 2022 open
4 Algebra 7.8 proof — open
5 Algebra 7.8 proof — open
6 Number theory 7.9 proof 2022 open
7 Geometry 8.0 proof — open
8 Algebra 8.0 proof — open
9 Algebra 8.2 proof — open
10 Geometry 8.2 proof — open
11 Geometry 8.3 proof 2022 open
12 Geometry 8.3 proof — open
13 Geometry 8.3 proof — open
14 Geometry 8.4 proof — open
15 Number theory 8.6 proof 2022 open
16 Geometry 8.7 proof — open
17 Combinatorics 8.7 proof — open
18 Algebra 8.9 proof 2022 open
19 Combinatorics 8.9 proof — open
20 Geometry 9.0 proof 2022 open
These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.